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authorSebastian Dröge <sebastian.droege@collabora.co.uk>2010-06-29 09:21:06 (GMT)
committerSebastian Dröge <sebastian.droege@collabora.co.uk>2010-06-29 09:21:30 (GMT)
commitdfeaa7709b6b1243e3782c5e75f411a31ba1d8cb (patch)
tree34df3a2993037f5333435102f4b5c55fc5b9f877
parentc6def75fc46babac0dbbe8b33612fee22addfdea (diff)
vdpau: Check for log2 and only use it if it's available
-rw-r--r--configure.ac5
-rw-r--r--sys/vdpau/h264/gsth264parser.c8
2 files changed, 13 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 532671a..e1fe076 100644
--- a/configure.ac
+++ b/configure.ac
@@ -167,6 +167,11 @@ dnl *** checks for compiler characteristics ***
dnl *** checks for library functions ***
AC_CHECK_FUNCS([gmtime_r])
+LIBS_SAVE=$LIBS
+LIBS="$LIBS $LIBM"
+AC_CHECK_FUNCS([log2])
+LIBS=$LIBS_SAVE
+
dnl *** checks for headers ***
AC_CHECK_HEADERS([sys/utsname.h])
diff --git a/sys/vdpau/h264/gsth264parser.c b/sys/vdpau/h264/gsth264parser.c
index 861bab2..6594982 100644
--- a/sys/vdpau/h264/gsth264parser.c
+++ b/sys/vdpau/h264/gsth264parser.c
@@ -18,9 +18,17 @@
* Boston, MA 02111-1307, USA.
*/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
#include <string.h>
#include <math.h>
+#ifndef HAVE_LOG2
+#define log2(x) (log(x)/log(2))
+#endif
+
#include "gstnalreader.h"
#include "gsth264parser.h"